Linear actuator



FIG. 1 is a first perspective side view of a linear actuator showing our new and ornamental design,

FIG. 2 is a second perspective side view thereof,

FIG. 3 is a first elevational side view thereof,

FIG. 4 is a second elevational side view thereof,

FIG. 5 is a bottom plan view thereof,

FIG. 6 is a top plan view thereof,

FIG. 7 is a front elevational view thereof; and,

FIG. 8 is a rear elevational view thereof. 

CLAIM The ornamental design for a linear actuator, as shown and described. 